upward tilting drone shot of evaporation ponds at potash mine in grand county, utah - 鉀鹽礦 個影片檔及 b 捲影像00:25
after years of debate and delay, france's environment minister barbara pompili has decided to bury hazardous industrial waste permanently in the... - 鉀鹽礦 個影片檔及 b 捲影像04:36